enh: add github oauth2 provider support

backend/open_webui/config.py

@@ -362,6 +362,30 @@ MICROSOFT_REDIRECT_URI = PersistentConfig(
     os.environ.get("MICROSOFT_REDIRECT_URI", ""),
 )
 
+GITHUB_CLIENT_ID = PersistentConfig(
+    "GITHUB_CLIENT_ID",
+    "oauth.github.client_id",
+    os.environ.get("GITHUB_CLIENT_ID", ""),
+)
+
+GITHUB_CLIENT_SECRET = PersistentConfig(
+    "GITHUB_CLIENT_SECRET",
+    "oauth.github.client_secret",
+    os.environ.get("GITHUB_CLIENT_SECRET", ""),
+)
+
+GITHUB_CLIENT_SCOPE = PersistentConfig(
+    "GITHUB_CLIENT_SCOPE",
+    "oauth.github.scope",
+    os.environ.get("GITHUB_CLIENT_SCOPE", "user:email"),
+)
+
+GITHUB_CLIENT_REDIRECT_URI = PersistentConfig(
+    "GITHUB_CLIENT_REDIRECT_URI",
+    "oauth.github.redirect_uri",
+    os.environ.get("GITHUB_CLIENT_REDIRECT_URI", ""),
+)
+
 OAUTH_CLIENT_ID = PersistentConfig(
     "OAUTH_CLIENT_ID",
     "oauth.oidc.client_id",
@@ -506,6 +530,27 @@ def load_oauth_providers():
             "register": microsoft_oauth_register,
         }
 
+    if GITHUB_CLIENT_ID.value and GITHUB_CLIENT_SECRET.value:
+        def github_oauth_register(client):
+            client.register(
+                name="github",
+                client_id=GITHUB_CLIENT_ID.value,
+                client_secret=GITHUB_CLIENT_SECRET.value,
+                access_token_url="https://github.com/login/oauth/access_token",
+                authorize_url="https://github.com/login/oauth/authorize",
+                api_base_url="https://api.github.com",
+                userinfo_endpoint="https://api.github.com/user",
+                client_kwargs={
+                    "scope": GITHUB_CLIENT_SCOPE.value
+                },
+                redirect_uri=GITHUB_CLIENT_REDIRECT_URI.value,
+            )
+        OAUTH_PROVIDERS["github"] = {
+            "redirect_uri": GITHUB_CLIENT_REDIRECT_URI.value,
+            "register": github_oauth_register,
+            "sub_claim": "id",
+        }
+
     if (
         OAUTH_CLIENT_ID.value
         and OAUTH_CLIENT_SECRET.value
@@ -524,6 +569,7 @@ def load_oauth_providers():
             )
         OAUTH_PROVIDERS["oidc"] = {
             "name": OAUTH_PROVIDER_NAME.value,
+            "redirect_uri": OPENID_REDIRECT_URI.value,
             "register": oidc_oauth_register,
         }
 

src/routes/auth/+page.svelte

@@ -374,6 +374,22 @@
 										<span>{$i18n.t('Continue with {{provider}}', { provider: 'Microsoft' })}</span>
 									</button>
 								{/if}
+								{#if $config?.oauth?.providers?.github}
+									<button
+										class="flex justify-center items-center bg-gray-700/5 hover:bg-gray-700/10 dark:bg-gray-100/5 dark:hover:bg-gray-100/10 dark:text-gray-300 dark:hover:text-white transition w-full rounded-full font-medium text-sm py-2.5"
+										on:click={() => {
+											window.location.href = `${WEBUI_BASE_URL}/oauth/github/login`;
+										}}
+									>
+										<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="size-6 mr-3">
+											<path
+												fill="currentColor"
+												d="M12 0C5.37 0 0 5.37 0 12c0 5.31 3.435 9.795 8.205 11.385.6.105.825-.255.825-.57 0-.285-.015-1.23-.015-2.235-3.015.555-3.795-.735-4.035-1.41-.135-.345-.72-1.41-1.23-1.695-.42-.225-1.02-.78-.015-.795.945-.015 1.62.87 1.845 1.23 1.08 1.815 2.805 1.305 3.495.99.105-.78.42-1.305.765-1.605-2.67-.3-5.46-1.335-5.46-5.925 0-1.305.465-2.385 1.23-3.225-.12-.3-.54-1.53.12-3.18 0 0 1.005-.315 3.3 1.23.96-.27 1.98-.405 3-.405s2.04.135 3 .405c2.295-1.56 3.3-1.23 3.3-1.23.66 1.65.24 2.88.12 3.18.765.84 1.23 1.92 1.23 3.225 0 4.605-2.805 5.625-5.475 5.925.435.375.81 1.095.81 2.22 0 1.605-.015 2.895-.015 3.3 0 .315.225.69.825.57C20.565 21.795 24 17.31 24 12c0-6.63-5.37-12-12-12z"
+											/>
+										</svg>
+										<span>{$i18n.t('Continue with {{provider}}', { provider: 'GitHub' })}</span>
+									</button>
+								{/if}
 								{#if $config?.oauth?.providers?.oidc}
 									<button
 										class="flex justify-center items-center bg-gray-700/5 hover:bg-gray-700/10 dark:bg-gray-100/5 dark:hover:bg-gray-100/10 dark:text-gray-300 dark:hover:text-white transition w-full rounded-full font-medium text-sm py-2.5"